IEST RP-CC036-1-2014 Testing Fan Filter Units (Frist Printing).pdf

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1、IEST-RP-CC036.1: Testing Fan Filter Units IEST Recommended Practices License Agreement for Electronic Documents You have purchased a non-revisable Adobe Acrobat PDF file that can be stored on your personal computer. You have purchased a document which is protected internationally by copyright laws a

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12、org Institute of Environmental Sciences and Technology IEST-RP-CC036.1 Contamination Control Division Recommended Practice 036.1 Testing Fan Filter Units Arlington Place On 2340 S. Arlington Heights Road, Suite 620 Arlington Heights, IL 60005-4510 Phone: (847) 981-0100 Fax: (847) 981-4130 E-mail: in

13、formationiest.org Web: www.iest.org IEST-RP-CC036.1 Institute of Environmental Sciences and Technology IEST 2014 All rights reserved 2 NOTICE AND DISCLAIMER: This Recommended Practice is published by the Institute of Environmental Sciences and Technology (IEST) to advance the technical and engineeri

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23、e compliance with the contents of this document. IEST does not certify, test, or inspect products, designs, or installations for safety or health purposes. Any certification or other statement of compliance with any health or safety-related information in this document shall not be attributable to I

24、EST and is solely the responsibility of the certifier or maker of the statement. PROPOSAL FOR IMPROVEMENT: The Working Groups of the Institute of Environmental Sciences and Technology are continually working on improvements to their Recommended Practices and Reference Documents. Suggestions from use

25、rs of these documents are welcome. If you have a suggestion regarding this document, please use the online Proposal for Improvement form found on the IEST website at www.iest.org. This Recommended Practice was prepared by and is under the jurisdiction of Working Group 36 of the IEST Contamination Co

26、ntrol Division. Copyright 2014 by the Institute of Environmental Sciences and Technology First printing, September 2014 ISBN 978-1-937280-13-0 Institute of Environmental Sciences and Technology Arlington Place One 2340 S. Arlington Heights Road, Suite 620 Arlington Heights, IL 60005-4510 Phone: (847

27、) 981-0100 Fax: (847) 981-4130 IEST-RP-CC036.1 Institute of Environmental Sciences and Technology IEST 2014 All rights reserved 3 Testing Fan Filter Units IEST-RP-CC036.1 CONTENTS SECTION 1 SCOPE AND LIMITATIONS . 4 2 REFERENCES . 4 3 TERMS AND DEFINITIONS . 6 4 GENERAL DISCUSSION OF FAN FILTER UNIT

28、S . 8 5 TEST REQUIREMENTS AND CONDITIONS 10 6 VOLUMETRIC AIRFLOW . 11 7 ELECTRIC POWER USAGE 12 8 TOTAL PRESSURE 13 9 AIRFLOW UNIFORMITY 13 10 SOUND POWER LEVELS 14 11 REPORTING TEST RESULTS . 14 FIGURE FIGURE 1TYPICAL FAN FILTER UNIT AND DIAGRAM 8 FIGURE 2TYPICAL AIRFLOW CHAMBER. 11 FIGURE B1TEST S

29、ETUP TO MEASURE AIRFLOW THROUGH THE FFU. . 17 FIGURE C1TEST SETUP TO MEASURE SOUND PRESSURE LEVELS. 18 APPENDIX APPENDIX AOTHER DESIGN CONSIDERATIONS: AEROSOL INJECTION AND CHALLENGE UNIFORMITY 16 APPENDIX BALTERNATIVE METHOD FOR MEASUREMENT OF VOLUMETRIC AIRFLOW, ELECTRIC POWER PARAMETERS, AND STAT

30、IC PRESSURE . 17 APPENDIX CALTERNATIVE METHOD FOR SOUND POWER LEVEL MEASUREMENTS . 18 IEST-RP-CC036.1 Institute of Environmental Sciences and Technology IEST 2014 All rights reserved 4 Institute of Environmental Sciences and Technology Contamination Control Division Recommended Practice 036.1 Testin

31、g Fan Filter Units IEST-RP-CC036.1 1 SCOPE AND LIMITATIONS 1.1 Scope This Recommended Practice (RP) covers laboratory methods for testing the performance of a fan filter unit (FFU). The purpose of this RP is to provide customers and suppliers of FFUs the necessary test protocols for measuring and re

32、porting performance, excluding filter efficiency. These methods provide the means for direct comparison of units provided by different manufacturers, which may be of varying designs and have different operating features. The test methods identify test equipment and testing procedures necessary to me

33、asure volumetric airflow, electric power parameters (wattage, amperage, voltage, and power factor), available external static pressure, sound power levels, and filter airflow velocity uniformity. These procedures are applicable for FFUs with AC motors, with DC brushless motors, with constant airflow

34、 control, and without constant airflow control. 1.2 Limitations This RP does not provide guidance for field testing, although some of the techniques described herein can be applied to field testing. This RP does not recommend acceptance performance values or limits for FFUs. Codes and standards may

35、be applicable to the construction and performance of FFUs. These codes and standards should be made part of the agreement between the customer and supplier. The procedures described in this RP are applicable to FFUs with filter dimensions equal to or less than 1.2 m (4 ft) in any direction. Testing

36、for fan filter housing vibration is an important performance parameter for FFUs used in selected arrangements and installations. This parameter is not part of the testing criteria covered in this RP. This RP does not discuss filtration efficiency or filter performance. These parameters are discussed

37、 in IEST-RP-CC001, IEST-RP-CC007, and IEST-RP-CC021. 2 REFERENCES The cited editions of the following documents are incorporated into this RP to the extent specified herein. Users are encouraged to investigate the possibility of applying the most recent editions of the references. 2.1 Applicable doc

38、uments ANSI/AMCA 210-07 (ANSI/ASHRAE 51-2007) Laboratory Methods of Testing Fans for Aerodynamic Performance Rating ANSI/AMCA 300-08 Reverberant Room Method for Sound Testing of Fans IEST-RP-CC036.1 Institute of Environmental Sciences and Technology IEST 2014 All rights reserved 5 ANSI/ASHRAE 52.2-2

39、007 Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size IEST-RP-CC001: HEPA and ULPA Filters IEST-RP-CC007: Testing ULPA Filters IEST-RP-CC034: HEPA and ULPA Filter Leak Tests ISO 14644-1: Cleanrooms and associated controlled environments Part 1 Classif

40、ication of air cleanliness ISO 9000 Quality management systems Fundamentals and vocabulary ISO 9614-1 Acoustics Determination of sound power levels of noise sources using sound intensity Part 1: Meas-urement at discrete points MIL-STD-282: Filter Units, Protective Clothing, Gas-Mask Components, and

41、Related Products: Performance Test Methods 2.2 Sources AMCA Air Movement and Control Association International Inc. 30 West University Drive Arlington Heights, IL 60004, USA Phone: 847-394-0150 Fax: 847-253-0088 www.amca.org ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engi

42、neers Inc. 1791 Tullie Circle, NE Atlanta, GA 30329, USA Phone: 404-636-8400 Fax: 404-321-5478 www.ashrae.org IEST Institute of Environmental Sciences and Technology Arlington Place One 2340 S. Arlington Heights Road, Suite 620 Arlington Heights, IL 60005-4516 Phone: 847-981-0100 Fax: 847-981-4130 w

43、ww.iest.org ISO In US, ISO 14644 documents: Institute of Environmental Sciences and Technology Arlington Place One 2340 S. Arlington Heights Road, Suite 620 Arlington Heights, IL 60005-4516 Phone: 847-981-0100 Fax: 847-981-4130 www.iest.org IEST-RP-CC036.1 Institute of Environmental Sciences and Tec

44、hnology IEST 2014 All rights reserved 6 ISO International Organization for Standardization 1, ch. de la Voie-Creuse, Case postale 56 CH-1211 Geneva 20, Switzerland Telephone: +41 22 749 01 11 Fax: +41 22 749 09 47 www.iso.org MIL/QQ (Military Standard) Standardization Document Order Desk 700 Robbins

45、 Avenue Bldg. #4, Section D Philadelphia, PA 19111-5094 http:/dodssp.daps.dla.mil/ 3 TERMS AND DEFINITIONS acoustic sound power A measure of the sound power radiated from a sound source into the surrounding air in watts. Usually the value is expressed as decibels (dB), referenced to 10-12 W. airflow

46、 The movement of air in a given direction with respect to a specified reference plane or other designated physical reference. The rate of airflow is expressed in terms of volume per unit time. volumetric airflow The volume of air that passes through a given surface per unit time. airflow velocity Th

47、e rate of airflow that passes through a given surface. This velocity is expressed in terms of length per unit time. airflow velocity uniformity The range of variability in the velocity of air exiting from the face of a fan filter unit (FFU), expressed as the percent relative standard deviation of th

48、e airflow velocity measurements. cleanroom A room in which the air supply, air distribution, filtration of air supply, materials of construction, pressure gradients, and operating procedures are regulated to control airborne particle concentrations to meet established air cleanliness levels, as defi

49、ned by ISO 14644-1. DOP (or DEHP) Dioctyl phthalate (DOP) or di(2-ethylhexyl) phthalate (DEHP); CAS# 117-81-7. With reference to filter testing, DOP also refers to a poly disperse aerosol of the described material. fan filter unit A compact enclosure that contains an electric air moving device (fan) and an air filter. filter, high-efficiency particulate air (HEPA) An extended-medium, dry-type filter in a rigid frame,